# ELSA-2026-53363: Security update for 42 packages

ELSA-2026-53363, released August 11, 2026, fixes 1 CVE across 42 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2026-53363
- Platform: Linux
- Released: Aug 11, 2026
- Priority: High (Closes CVE-2026-59886, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2026-53363.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [fence-agents-all](https://patchblox.com/security/data/product/linux/fence-agents-all.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-amt-ws](https://patchblox.com/security/data/product/linux/fence-agents-amt-ws.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-apc](https://patchblox.com/security/data/product/linux/fence-agents-apc.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-apc-snmp](https://patchblox.com/security/data/product/linux/fence-agents-apc-snmp.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-bladecenter](https://patchblox.com/security/data/product/linux/fence-agents-bladecenter.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-brocade](https://patchblox.com/security/data/product/linux/fence-agents-brocade.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-cisco-mds](https://patchblox.com/security/data/product/linux/fence-agents-cisco-mds.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-cisco-ucs](https://patchblox.com/security/data/product/linux/fence-agents-cisco-ucs.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-common](https://patchblox.com/security/data/product/linux/fence-agents-common.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-compute](https://patchblox.com/security/data/product/linux/fence-agents-compute.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-drac5](https://patchblox.com/security/data/product/linux/fence-agents-drac5.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-eaton-snmp](https://patchblox.com/security/data/product/linux/fence-agents-eaton-snmp.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-emerson](https://patchblox.com/security/data/product/linux/fence-agents-emerson.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-eps](https://patchblox.com/security/data/product/linux/fence-agents-eps.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-heuristics-ping](https://patchblox.com/security/data/product/linux/fence-agents-heuristics-ping.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-hpblade](https://patchblox.com/security/data/product/linux/fence-agents-hpblade.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-ibm-powervs](https://patchblox.com/security/data/product/linux/fence-agents-ibm-powervs.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-ibm-vpc](https://patchblox.com/security/data/product/linux/fence-agents-ibm-vpc.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-ibmblade](https://patchblox.com/security/data/product/linux/fence-agents-ibmblade.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-ifmib](https://patchblox.com/security/data/product/linux/fence-agents-ifmib.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-ilo-moonshot](https://patchblox.com/security/data/product/linux/fence-agents-ilo-moonshot.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-ilo-mp](https://patchblox.com/security/data/product/linux/fence-agents-ilo-mp.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-ilo-ssh](https://patchblox.com/security/data/product/linux/fence-agents-ilo-ssh.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-ilo2](https://patchblox.com/security/data/product/linux/fence-agents-ilo2.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-intelmodular](https://patchblox.com/security/data/product/linux/fence-agents-intelmodular.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-ipdu](https://patchblox.com/security/data/product/linux/fence-agents-ipdu.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-ipmilan](https://patchblox.com/security/data/product/linux/fence-agents-ipmilan.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-kdump](https://patchblox.com/security/data/product/linux/fence-agents-kdump.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-kubevirt](https://patchblox.com/security/data/product/linux/fence-agents-kubevirt.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-lpar](https://patchblox.com/security/data/product/linux/fence-agents-lpar.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-mpath](https://patchblox.com/security/data/product/linux/fence-agents-mpath.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-nutanix-ahv](https://patchblox.com/security/data/product/linux/fence-agents-nutanix-ahv.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-redfish](https://patchblox.com/security/data/product/linux/fence-agents-redfish.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-rhevm](https://patchblox.com/security/data/product/linux/fence-agents-rhevm.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-rsa](https://patchblox.com/security/data/product/linux/fence-agents-rsa.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-rsb](https://patchblox.com/security/data/product/linux/fence-agents-rsb.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-sbd](https://patchblox.com/security/data/product/linux/fence-agents-sbd.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-scsi](https://patchblox.com/security/data/product/linux/fence-agents-scsi.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-virsh](https://patchblox.com/security/data/product/linux/fence-agents-virsh.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-vmware-rest](https://patchblox.com/security/data/product/linux/fence-agents-vmware-rest.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-vmware-soap](https://patchblox.com/security/data/product/linux/fence-agents-vmware-soap.md) | ol 8 | 0:4.2.1-129.el8_10.29 |
| [fence-agents-wti](https://patchblox.com/security/data/product/linux/fence-agents-wti.md) | ol 8 | 0:4.2.1-129.el8_10.29 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-59886](https://patchblox.com/security/data/cve/CVE-2026-59886.md) | High | pyasn1: Uncontrolled resource consumption when converting decoded REAL values | 7.5 | 0.0044 |  |

---

Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo